The roar of the steam engine covered the wailing of the workers; the noise of the engine aroused the noise of the world. The great empire is facing an unprecedented test. Should it climb up step by step, or do something else? Chu Tianshu did not hesitate. He has seenIn the afterglow of the sun, how can you be willing to bury your head in the dark night? If you think 'Fan Yun' is not bad, please don't forget to recommend it to your friends in QQ groups and Weibo!